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Finding the Fourth Proportional to 407,592.42, 611,191.94 and 170,871.54

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Solution

The fourth proportional to 407,592.42, 611,191.94 and 170,871.54 is: 256,224.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,592.42 : 611,191.94 = 170,871.54 : x
  2. Step 2: Convert to fraction form
    407,592.42/611,191.94 = 170,871.54/x
  3. Step 3: Cross multiply
    407,592.42x = 611,191.94 × 170,871.54
  4. Step 4: Simplify right side
    407,592.42x = 104,435,307,169.03
  5. Step 5: Solve for x
    x = 104,435,307,169.03/407,592.42
  6. Step 6: Final answer
    x = 256,224.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.